React

Wat is useState hook en hoe handle je state?

useState laat functionele componenten state hebben.

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useState syntax

const [state, setState] = useState(initialValue) stateValue wijzigen trigger re-render

Code Voorbeelden

JAVASCRIPTuseState voorbeeld
import { useState } from 'react';

function Counter() {
  const [count, setCount] = useState(0);
  
  return (
    <>
      <p>Count: {count}</p>
      <button onClick={() => setCount(count + 1)}>
        Increment
      </button>
    </>
  );
}

Relevante trefwoorden

useStatehookstate
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